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    [[rockpiE | ROCK Pi E]] > [[rockpiE/OpenWRT | OpenWRT]]


= ROCK Pi E OpenWRT =

== Introduction to ROCK Pi E OpenWrt ==

The OpenWrt Project is a Linux operating system targeting embedded devices. It is primarily used on embedded devices to route network traffic. OpenWrt provides a fully writable filesystem with package management.

== OpenWrt Default User Account ==

Root User:

    User Name: root
    Password: NULL(empty)

== Install and update necessary packages ==

Install packages;

    # opkg update
    # opkg install htop

List Install packages;

    # opkg list-installed
    # opkg list-installed | grep "htop"

== Using external storage devices ==

   # opkg update
   # opkg install usbutils
   # opkg install kmod-usb-storage-uas

== Network Connection ==

There are two methods for network connection. One is Ethernet and the other is WIFI.

=== Ethernet Connection ===

ROCK Pi E provides dual ethernets. This makes it perfect as a router.

* eth1(1000M) -> LAN
* eth0(100M) -> WAN

You will need two network cables at the same time to connect your ROCK Pi E to the network and the LAN client to access it. The ROCK Pi E will automatically configure the network for the LAN clients.

To test the Ethernet, we need to follow the steps:

* Plug in WAN ethernet to eth0 (100M) port
* Plug in LAN ethernet to eth1 (1000M port)

After connection is established, the LAN client should get an IP in the network 192.168.1.0/24.

Use any SSH client to ssh into the ROCK Pi E.

    ssh root@192.168.1.1


Check whether the internet connection is functioning by command, ifconfig, which would show us three interfaces, br-lan, eth0 and eth1, and the Ethernet IP address. Also, use tool, ping, to connect to a normal domain.

    # ifconfig
    
    # ping www.baidu.com

=== Wireless Connection ===
Configure Wireless using OpenWrt Web-interface.
=== VLAN ===
OpenWrt supports 802.1Q VLAN.

Usage Example:

* For tagged traffic on VLAN100 on eth0 interface, use eth0.100
* For untagged traffic, use eth0

== Web Interface==
OpenWrt provides an web-interface for the easy of configuration.

Follow these steps to open the web-interface:

* Connect client to LAN port
* Open 192.168.1.1 with any browser
* Login with the root password (default: empty)

=== Wireless Access-Point in web-interface ===

'''1.''' Connect to the web-interface at '''http://192.168.1.1''', and login with your “root” password

'''2.''' Go to Network → Wireless. This page lists a separate Wi-Fi configuration section for each of your physical radios, (many devices you may have, will have one radio for 2.4 GHz and a second one for 5 GHz).

'''3.''' For each of your radios, you can create a Wi-Fi network by clicking Add:
   
'''3.1.''' On the first Wi-Fi network that you configure, go to the Device Configuration and open the tab Advanced Settings: in the Country Code field, select the correct county code, where your OpenWrt device is installed. This is important to ensure your OpenWrt device meets the legal regulations in your country. (all other configured radios will use the same device settings)
     
'''3.2.''' For each Wi-Fi network, in the “Interface Configuration” section, configure your Wi-Fi settings:
     
* In the tab General Setup, enter an ESSID to become the name of your Wi-Fi network      
* In the tab Wireless Security, select an Encryption method (e.g. “WPA2-PSK”, recommended for home/small office networks)
* In the tab Wireless Security, select a Cipher (e.g. “auto” is recommended)
* In the tab Wireless Security, enter a Key, a secret phrase which clients must use to connect to your Wi-Fi network. NB: With WPA2-PSK, the Key must be at least eight (8) characters.
* If needed, configure further settings according to your needs. Other default settings ordinarily correct for general usage.

'''4.'''  Click Save & Apply when done.

== Common Hardware Interfaces, I2C, SPI, UART, etc ==

=== I2C ===
To enable I2C, follow the following steps:

1. Compile OpenWrt with i2c support
  
2. Access OpenWrt console via SSH 
  

    ssh root@192.168.1.1


3. Execute 
   
    i2cdetect 0

4. Check I2C address
<pre>
WARNING! This program can confuse your I2C bus,
cause data loss and worse!
I will probe file /dev/i2c-0.
I will probe address range 0x03-0x77.
Continue? Y/n
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          XX XX XX XX XX XX XX XX XX XX XX XX XX
10: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
40: XX XX XX XX XX XX XX XX 48 XX XX XX XX XX XX XX
50: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
60: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
70: XX XX XX XX XX XX XX XX
</pre>

=== UART===
The debugger console baud rate options: 1500000n8.

== Installing packages with opkg==

=== Installing SAMBA Network Shares===
Command Line interface

    opkg update
    
    opkg install kmod-usb-storage kmod-fs-vfat luci-app-samba4
Web interface

    1. System > Software
    
    2. Update Lists
    
    3. Search and Install

== Compiling from sources==

=== Compiling OpenWrt for ROCK Pi E===

    1. git clone --depth 1 https://github.com/jayanta525/rock-pi-e.git openwrt/
    
    2. cd openwrt/
    
    3. ./scripts/feeds update -a
    
    4. ./scripts/feeds install -a
    
    5. make menuconfig 			#select device and required packages here
      
    6. make -j$(nproc)

=== Selecting device in menuconfig===

    Target System > Rockchip
    
    Subtarget > RK33xx boards (64 bit)
    
    Target Profile > Radxa Rock Pi E

=== Selecting web-interface in menuconfig ===
For installing web-interface in openwrt during compilation, select the packages in menuconfig

    LuCi > Collection > luci
=== Selecting i2c in menuconfig===
For using i2c in openwrt during compilation, select the packages in menuconfig

    Kernel Modules > kmod-i2c-core
    
    Kernel Modules > kmod-i2c-gpio
    
    Kernel Modules > kmod-i2c-gpio-custom
    
    Utilities > i2c-tools

=== Selecting python in menuconfig===
For installing python in openwrt during compilation, select the packages in menuconfig

    Languages > Python > python
    
    Languages > Python > python-dev

=== Changelog===

2020.07.28

'''[download https://jayanta525.gitlab.io/openwrt-rockpie/]'''

* Updated to latest master
* Boost upto 1.5GHz
* Seperate feed repository
* opkg install support